Splunk Monitor

$SplunkUrl = "https://splunkserver"
$LoginPage = invoke-webrequest -Uri $SplunkUrl -SessionVariable session
$LoginPage.forms[0].Fields.username = "test"
$LoginPage.forms[0].Fields.password = "test"
$SubmitAction = $LoginPage.Forms[0].Action
try {Invoke-WebRequest -Uri "$SplunkUrl$SubmitAction" -Method Post -Body $LoginPage.forms[0].fields -WebSession $Session}
    catch {if ($error[0].ErrorDetails.Message -match "500 Internal Server Error") {restart-service splunkd}}